<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <ul v-for="item in list">
            <li>{{item}}</li>
        </ul>
        <button @click="top">坐一坐</button>


    </div>
    <script src="./vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                list: ['帅哥', '美女', '程序猿']
            },
            methods:{
                top(){
                  this.list.push(this.list.shift())
                }
            }
        })


    </script>
</body>

</html>